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From: Junio C Hamano <gitster@pobox.com>
To: Denton Liu <liu.denton@gmail.com>
Cc: "Git Mailing List" <git@vger.kernel.org>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Johannes Sixt" <j6t@kdbg.org>,
	"Philip Oakley" <philipoakley@iee.email>
Subject: Re: [PATCH v4 2/3] format-patch: use enum variables
Date: Sat, 12 Oct 2019 11:16:53 +0900	[thread overview]
Message-ID: <xmqqk19aemi2.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <19ee1f71493fa584991f530e952d9198880208eb.1570821015.git.liu.denton@gmail.com> (Denton Liu's message of "Fri, 11 Oct 2019 12:12:54 -0700")

Denton Liu <liu.denton@gmail.com> writes:

> -#define THREAD_SHALLOW 1
> -#define THREAD_DEEP 2
> -static int thread;
> +enum thread_level {
> +	THREAD_UNSET,
> +	THREAD_SHALLOW,
> +	THREAD_DEEP
> +};
> +static enum thread_level thread;

As the assignment of values do not change, this is a safe conversion
even if an existing code did things like

	if (!thread)
        	... do this ...;

Hopefully nobody did arithmetic on it; thread_level may now become
unsigned depending on the compiler.

> -static int config_cover_letter;
> +static enum cover_setting config_cover_letter;

Likewise about the signedness.


  reply	other threads:[~2019-10-12  2:17 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 23:52 [PATCH v2 0/4] format-patch: learn --infer-cover-subject option Denton Liu
2019-08-19 23:52 ` [PATCH v2 1/4] t4014: clean up style Denton Liu
2019-08-20  2:41   ` Eric Sunshine
2019-08-19 23:52 ` [PATCH v2 2/4] Doc: add more detail for git-format-patch Denton Liu
2019-08-20  2:44   ` Eric Sunshine
2019-08-20  7:07     ` Denton Liu
2019-08-19 23:52 ` [PATCH v2 3/4] config/format.txt: make clear the default value of format.coverLetter Denton Liu
2019-08-20  2:47   ` Eric Sunshine
2019-08-19 23:52 ` [PATCH v2 4/4] format-patch: learn --infer-cover-letter option Denton Liu
2019-08-20  3:46   ` Eric Sunshine
2019-08-20  7:18 ` [PATCH v3 00/13] format-patch: learn --infer-cover-subject option (also t4014 cleanup) Denton Liu
2019-08-20  7:18   ` [PATCH v3 01/13] t4014: drop unnecessary blank lines from test cases Denton Liu
2019-08-20  7:18   ` [PATCH v3 02/13] t4014: s/expected/expect/ Denton Liu
2019-08-20 21:31     ` Eric Sunshine
2019-08-20  7:18   ` [PATCH v3 03/13] t4014: move closing sq onto its own line Denton Liu
2019-08-20  7:18   ` [PATCH v3 04/13] t4014: use sq for test case names Denton Liu
2019-08-20  7:18   ` [PATCH v3 05/13] t4014: remove spaces after redirect operators Denton Liu
2019-08-20  7:18   ` [PATCH v3 06/13] t4014: use indentable here-docs Denton Liu
2019-08-20  7:19   ` [PATCH v3 07/13] t4014: drop redirections to /dev/null Denton Liu
2019-08-20  7:19   ` [PATCH v3 08/13] t4014: use test_line_count() where possible Denton Liu
2019-08-20  7:19   ` [PATCH v3 09/13] t4014: remove confusing pipe in check_threading() Denton Liu
2019-08-20  7:19   ` [PATCH v3 10/13] t4014: stop losing return codes of git commands Denton Liu
2019-08-20  7:31     ` Denton Liu
2019-08-20 19:04       ` Johannes Sixt
2019-08-20  7:19   ` [PATCH v3 11/13] Doc: add more detail for git-format-patch Denton Liu
2019-08-21 18:26     ` Junio C Hamano
2019-08-20  7:19   ` [PATCH v3 12/13] config/format.txt: specify default value of format.coverLetter Denton Liu
2019-08-20  7:19   ` [PATCH v3 13/13] format-patch: learn --infer-cover-subject option Denton Liu
2019-08-21 19:32     ` Junio C Hamano
2019-08-23 18:15       ` Denton Liu
2019-08-23 18:46         ` Philip Oakley
2019-08-23 20:18           ` Junio C Hamano
2019-08-24  8:03             ` Denton Liu
2019-08-24 13:59               ` Philip Oakley
2019-08-26 14:30                 ` Junio C Hamano
2019-08-26 14:26               ` Junio C Hamano
2019-08-26 16:05                 ` Junio C Hamano
2019-08-22 20:18   ` [PATCH v3 00/13] format-patch: learn --infer-cover-subject option (also t4014 cleanup) Junio C Hamano
2019-08-23 18:19     ` Denton Liu
2019-08-23 20:25       ` Junio C Hamano
2019-08-24  8:25   ` [PATCH 00/13] format-patch: clean up tests and documentation Denton Liu
2019-08-24  8:26     ` [PATCH 01/13] t4014: drop unnecessary blank lines from test cases Denton Liu
2019-08-24  8:26     ` [PATCH 02/13] t4014: s/expected/expect/ Denton Liu
2019-08-24  8:26     ` [PATCH 03/13] t4014: move closing sq onto its own line Denton Liu
2019-08-24  8:26     ` [PATCH 04/13] t4014: use sq for test case names Denton Liu
2019-08-24  8:26     ` [PATCH 05/13] t4014: remove spaces after redirect operators Denton Liu
2019-08-24  8:27     ` [PATCH 06/13] t4014: use indentable here-docs Denton Liu
2019-08-24  8:27     ` [PATCH 07/13] t4014: drop redirections to /dev/null Denton Liu
2019-08-24  8:27     ` [PATCH 08/13] t4014: let sed open its own files Denton Liu
2019-08-26  0:42       ` Eric Sunshine
2019-08-24  8:27     ` [PATCH 09/13] t4014: use test_line_count() where possible Denton Liu
2019-08-24  8:27     ` [PATCH 10/13] t4014: remove confusing pipe in check_threading() Denton Liu
2019-08-24  8:27     ` [PATCH 11/13] t4014: stop losing return codes of git commands Denton Liu
2019-08-24  8:27     ` [PATCH 12/13] Doc: add more detail for git-format-patch Denton Liu
2019-08-26 15:20       ` Junio C Hamano
2019-08-26 16:07         ` Junio C Hamano
2019-08-24  8:27     ` [PATCH 13/13] config/format.txt: specify default value of format.coverLetter Denton Liu
2019-08-24  8:28     ` [PATCH 00/13] format-patch: clean up tests and documentation Denton Liu
2019-08-26 15:21       ` Junio C Hamano
2019-08-27  4:04     ` [PATCH v2 " Denton Liu
2019-08-27  4:04       ` [PATCH v2 01/13] t4014: drop unnecessary blank lines from test cases Denton Liu
2019-08-27  4:04       ` [PATCH v2 02/13] t4014: s/expected/expect/ Denton Liu
2019-08-27  4:04       ` [PATCH v2 03/13] t4014: move closing sq onto its own line Denton Liu
2019-08-27  4:04       ` [PATCH v2 04/13] t4014: use sq for test case names Denton Liu
2019-08-27  4:05       ` [PATCH v2 05/13] t4014: remove spaces after redirect operators Denton Liu
2019-08-27  4:05       ` [PATCH v2 06/13] t4014: use indentable here-docs Denton Liu
2019-08-27  4:05       ` [PATCH v2 07/13] t4014: drop redirections to /dev/null Denton Liu
2019-08-27  4:05       ` [PATCH v2 08/13] t4014: let sed open its own files Denton Liu
2019-08-27  4:05       ` [PATCH v2 09/13] t4014: use test_line_count() where possible Denton Liu
2019-08-27  4:05       ` [PATCH v2 10/13] t4014: remove confusing pipe in check_threading() Denton Liu
2019-08-27  4:05       ` [PATCH v2 11/13] t4014: stop losing return codes of git commands Denton Liu
2019-08-27  4:05       ` [PATCH v2 12/13] Doc: add more detail for git-format-patch Denton Liu
2019-08-27  4:05       ` [PATCH v2 13/13] config/format.txt: specify default value of format.coverLetter Denton Liu
2019-09-04 11:21       ` [PATCH v2 00/13] format-patch: clean up tests and documentation Denton Liu
2019-09-05 19:56         ` Junio C Hamano
2019-09-05 21:40           ` Denton Liu
2019-10-11 19:12   ` [PATCH v4 0/3] format-patch: learn --cover-from-description option Denton Liu
2019-10-11 19:12     ` [PATCH v4 1/3] format-patch: remove erroneous and condition Denton Liu
2019-10-11 19:12     ` [PATCH v4 2/3] format-patch: use enum variables Denton Liu
2019-10-12  2:16       ` Junio C Hamano [this message]
2019-10-11 19:12     ` [PATCH v4 3/3] format-patch: teach --cover-from-description option Denton Liu
2019-10-12  2:36       ` Junio C Hamano
2019-10-11 19:23     ` [PATCH v4 4/3] fixup! " Denton Liu
2019-10-12  4:18     ` [PATCH v4 0/3] format-patch: learn " Junio C Hamano
2019-10-14 20:46     ` [PATCH v5 " Denton Liu
2019-10-14 20:46       ` [PATCH v5 1/3] format-patch: change erroneous and condition Denton Liu
2019-10-15  2:16         ` Junio C Hamano
2019-10-15  3:45           ` Denton Liu
2019-10-14 20:47       ` [PATCH v5 2/3] format-patch: use enum variables Denton Liu
2019-10-14 20:47       ` [PATCH v5 3/3] format-patch: teach --cover-from-description option Denton Liu
2019-10-15  2:25         ` Junio C Hamano

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